CVE-2026-57829 Joomla Extension - joomshaper.com - Unauthenticated stored XSS in Helix Ultimate < 2.2.7
Unauthenticated attackers can inject malicious scripts into the Helix Ultimate Joomla extension, potentially compromising user sessions and site integrity.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-57829?
CVE-2026-57829 is a high-severity cross-site scripting vulnerability in joomshaper.com Helix Ultimate extension for Joomla, published on 13 Jul 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Joomla Extension - joomshaper.com - Unauthenticated stored XSS in Helix Ultimate < 2.2.7 - The Joomla extension Helix Ultimate is vulnerable to an unauthenticated stored XSS.
Weakness: CWE-79
Which versions are affected by CVE-2026-57829?
It affects 1 product.
Products include Ollyo Helix Ultimate.
How do I fix CVE-2026-57829?
No fix has been published for CVE-2026-57829 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-57829 being exploited?
There is no known exploitation of CVE-2026-57829 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in joomshaper.com Helix Ultimate extension for Joomla
Sources
Also known as GHSA-6r9m-9724-qfvg.